Home / 13,287.33-19,943.28-6,718.14

Finding the Fourth Proportional to 13,287.33, 19,943.28 and 6,718.14

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Solution

The fourth proportional to 13,287.33, 19,943.28 and 6,718.14 is: 10,083.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,287.33 : 19,943.28 = 6,718.14 : x
  2. Step 2: Convert to fraction form
    13,287.33/19,943.28 = 6,718.14/x
  3. Step 3: Cross multiply
    13,287.33x = 19,943.28 × 6,718.14
  4. Step 4: Simplify right side
    13,287.33x = 133,981,747.10
  5. Step 5: Solve for x
    x = 133,981,747.10/13,287.33
  6. Step 6: Final answer
    x = 10,083.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.